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evergirl

  • one year ago

Help please! Thank you! (:

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  1. evergirl
    • one year ago
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    Rationalize the denominator of sqrt -4/(7 - 3i)+(2 + 5i)

  2. satellite73
    • one year ago
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    \[\frac{\sqrt{-4}}{(7+3i)+(2+5i)}\]??

  3. ParthKohli
    • one year ago
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    Rationalize or "realize"?

  4. ParthKohli
    • one year ago
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    And first add the denominators, then conjugation...

  5. satellite73
    • one year ago
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    start with \[\frac{2i}{9+2i}\]

  6. evergirl
    • one year ago
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    Yes that is the equation

  7. ParthKohli
    • one year ago
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    I mean simplify.

  8. ParthKohli
    • one year ago
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    Right there, and then find the conjugate

  9. evergirl
    • one year ago
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    hold on one moment please

  10. evergirl
    • one year ago
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    ok

  11. evergirl
    • one year ago
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    Thanks Parth

  12. evergirl
    • one year ago
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    And satelitte

  13. ParthKohli
    • one year ago
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    Yay. What was your answer?

  14. evergirl
    • one year ago
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    I got -16 + 18i/7

  15. ParthKohli
    • one year ago
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    Seems incorrect...

  16. evergirl
    • one year ago
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    ok one second lemme try again

  17. evergirl
    • one year ago
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    4 + 18i over 85

  18. ParthKohli
    • one year ago
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    That's right

  19. evergirl
    • one year ago
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    Thank you again!

  20. ParthKohli
    • one year ago
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    No problem at all. :-)

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